:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --robo: #2a78d6;
  --caixa: #eb6834;
  --up: #006300;
  --down: #c62f2f;
  --link: #1c5cab;
  --button: #1c5cab;
  --banner: #eef4fc;
  --warn: #8a5a00;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --robo: #3987e5;
    --caixa: #d95926;
    --up: #0ca30c;
    --down: #e66767;
    --link: #6da7ec;
    --button: #256abf;
    --banner: #16233a;
    --warn: #fab219;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.page { max-width: 1040px; margin: 0 auto; padding: 24px 16px 48px; }

.top { display: flex; gap: 16px; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.eyebrow { margin: 0; color: var(--muted); font-size: 13px; }
h1 { margin: 4px 0 8px; font-size: clamp(24px, 4vw, 32px); line-height: 1.2; }
h2 { margin: 0 0 8px; font-size: 16px; font-weight: 600; }
.lead { margin: 0; color: var(--ink-2); max-width: 60ch; }

.pill {
  flex: none; padding: 4px 12px; border-radius: 999px; font-size: 14px; font-weight: 600;
  background: var(--surface); border: 1px solid var(--border);
}

.notice, .banner { margin: 0 0 16px; padding: 12px 16px; border-radius: 8px; }
.notice { background: var(--surface); border: 1px solid var(--border); }
.banner { background: var(--banner); }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin-bottom: 12px; }
.tile, .card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px;
}
.card { margin-bottom: 12px; }
.tile h2 { color: var(--ink-2); font-weight: 500; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.value { margin: 4px 0; font-size: 32px; font-weight: 600; line-height: 1.1; }
.delta { margin: 0; color: var(--ink-2); }
.delta.up { color: var(--up); }
.delta.down { color: var(--down); }
.sub { margin: 4px 0 0; color: var(--ink-2); font-size: 14px; }
.warn { margin: 8px 0 0; color: var(--warn); font-size: 14px; font-weight: 600; }
.trade { margin: 4px 0 0; }
code { font-size: 13px; color: var(--ink-2); overflow-wrap: anywhere; }

.key { display: inline-block; width: 16px; height: 2px; border-radius: 2px; flex: none; }
.key-robo { background: var(--robo); }
.key-caixa { background: var(--caixa); }

.card-head { display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: space-between; align-items: baseline; }
.legend { display: flex; gap: 16px; margin: 0; padding: 0; list-style: none; color: var(--ink-2); font-size: 14px; }
.legend li { display: flex; align-items: center; gap: 8px; }

.chart { position: relative; height: 280px; margin-top: 8px; }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart svg:focus-visible { outline: 2px solid var(--link); outline-offset: 4px; border-radius: 4px; }
.chart .grid line { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--axis); stroke-width: 1; }
.chart .tick { fill: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.chart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .line-robo { stroke: var(--robo); }
.chart .line-caixa { stroke: var(--caixa); }
.chart .dot { stroke: var(--surface); stroke-width: 2; }
.chart .dot-robo { fill: var(--robo); }
.chart .dot-caixa { fill: var(--caixa); }
.chart .end-label { fill: var(--ink-2); font-size: 12px; }
.chart .crosshair { stroke: var(--axis); stroke-width: 1; }
.tooltip {
  position: absolute; top: 0; pointer-events: none; min-width: 160px; padding: 8px 12px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12); font-size: 13px;
}
.tooltip .when { color: var(--muted); margin-bottom: 4px; }
.tooltip .row { display: flex; align-items: center; gap: 8px; }
.tooltip .row strong { font-variant-numeric: tabular-nums; }
.tooltip .row span:last-child { color: var(--ink-2); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 8px; border-bottom: 1px solid var(--grid); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 500; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

.play-form { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-top: 12px; }
.play-form label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--ink-2); }
.play-form input {
  font: inherit; color: var(--ink); background: var(--page); padding: 8px 12px; min-width: 180px;
  border: 1px solid var(--axis); border-radius: 8px;
}
.play-form button {
  font: inherit; font-weight: 600; padding: 9px 20px; border: 0; border-radius: 8px; cursor: pointer;
  background: var(--button); color: #ffffff;
}
.how { margin: 0; padding-left: 20px; color: var(--ink-2); }
.how li + li { margin-top: 4px; }
a { color: var(--link); }
.foot { margin-top: 24px; color: var(--muted); font-size: 13px; }

@media (max-width: 560px) {
  .top { flex-direction: column; }
  .value { font-size: 28px; }
  .play-form input, .play-form button { width: 100%; }
  .play-form label { width: 100%; }
}